Signed-off-by: NCleber Rosa <crosa@redhat.com>

This prevents the plugin from trying to run references such as
Avocado-VT tests or any other that is not backed by an executable
file.
Signed-off-by: NCleber Rosa <crosa@redhat.com>

Signed-off-by: NCleber Rosa <crosa@redhat.com>

Signed-off-by: NCleber Rosa <crosa@redhat.com>

Now there's a new parameter `executable` to use as the command line
information. The previous parameter, `name` can now be hijacked by
the yaml_loader, making this plugin to break.

This patch adapts to that change of internal API.
Signed-off-by: NAmador Pahim <apahim@redhat.com>

This check was introduced in the previous draft of this plugin, when it
was using gtester, and left over. Dropping.
Signed-off-by: NAmador Pahim <apahim@redhat.com>

Now users can run in Avocado the tests created with the GLib Test
Framework with the same level of granularity as they have when executing
the tests directly.
Signed-off-by: NAmador Pahim <apahim@redhat.com>